40 QUANTUM INFORMATION TECHNOLOGIES
41 Metrology
41.05.+l	Quantum limits
41.10.+p	Quantum enhanced position measurements
41.20.+c	Quantum clock synchronization
41.30.+i	Quantum imaging
41.40.+s	Precision spectroscopy via entangled states
41.50.+n	Nanomechanical sensors
41.60.+s	Single electron spin measurements
41.70.+a	Aligning reference frames
41.80.+c	Absolute calibration of detectors
41.90.+n	New sensor technologies
41.95.+m	Quantum magnetometry
42 QIP-related Technologies
42.10.+p	Photonic crystal microcavities
42.20.+i	Integrated atom optical elements
42.30.+l	New laser sources
42.40.+s	Spintronics
42.50.+n	Nanomechanical devices
42.60.+t	Miniaturized trap technologies